#EFEF01 Color
#EFEF01 is rgb(239, 239, 1) in RGB and hsl(60, 99%, 47%) in HSL. The closest CSS named color is Yellow. Black text is most readable on this background.
#EFEF01
HEX
#EFEF01RGB
rgb(239, 239, 1)HSL
hsl(60, 99%, 47%)HSV
hsv(60, 100%, 94%)OKLCH
oklch(92.2% 0.201 109.8)CMYK
cmyk(0%, 0%, 100%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #EFEF01 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.23:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text17.02:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #EFEF01 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #EFEF01, useful for hover states, backgrounds, and text variants.